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this file try to make different level for OCTREE representation for 3D Objects

用粒子群求解最优化问题的一个粒子，并画出迭代次数与最优解的关系(For solving optimization problems with particle swarm particle, and draw a relationship between the number of iterations and the optimal solution)

火箭尾喷管的设计，主要包括动力计算，外形轮廓计算，温度计算及激波分布等。使用matlab编写(Rocket nozzle design)

惯性导航解算程序，四阶龙格库塔发更新四元数，求姿态，解算位置速度(Inertial navigation solver)

一种代码激励线性预测编码器，其特征在于：具有声道信息生成器、声音功率量化器、自适应码表(A code excited linear predictive coding device, characterized in that: a channel information generator, the sound power quantizer, adaptive code table)

该程序是在通信中实现调制的，这里是实现幅度调制的(The program is implemented in the communications modulation, here is the realization of amplitude modulation of the)

用matlab实现了对于离散傅里叶变换求其循环卷积(Achieved with matlab discrete Fourier transform for the cyclic convolution)

利用多电容进行主动均衡，实现各个电池单体电压的一致，延长电池组的寿命(active balance)

堆叠自动编码器-三层网络，bp做全连接层 可以回归可以分类(stacked autoencoder . bp for fully-connected layer . The code is not only for regression but also for classification)

智能天线中的天线增益matlab仿真程序：输出最大增益随角度的不同而变化(Smart antenna antenna gain in the Matlab simulation program: maximum output gain varies with the angle of the vary)